“He just worked it like—‘Now, get the sponge, and squeeze it, and wash the car’ and so forth. I just followed [his instruction]. The shots were all like kind of broken up, you know, how he wanted me to do it. It was easy. It was so easy.”

At the time, she said she approached it with complete innocence.

“I was just washing a car to my best ability and having fun with it, with the sponge and everything,” she explained. “My concept of the [scene] was not like what came out. I was not aware that there were two meanings to things that I was doing, and I’m still not really that much aware of what they all were.”

Audiences, however, saw something unforgettable — a moment that would go on to define her career.

Before and after that breakout role, Harmon built a steady career in television throughout the 1960s, appearing in beloved shows like The Beverly Hillbillies, Batman, Bewitched, and The Monkees. She also took on film roles in projects such as Village of the Giants, where she played a towering, larger-than-life teenager.

Interestingly, Cool Hand Luke would end up being one of her final major film appearances.

Later in life, Harmon stepped away from Hollywood and reinvented herself in a completely different way. From her home kitchen, she launched a small baking venture that grew into a successful business, eventually supplying desserts to major clients — even reaching the Disney lot — before opening a storefront in Burbank.

Off-screen, she was married for 30 years to producer and film editor Jeff Gourson. Together they built a life and family, and she is survived by her three children and nine grandchildren.

In the wake of her passing, her family has set up a GoFundMe page to help cover medical expenses.

Though her time on screen was often brief, Joy Harmon created a moment that audiences never forgot — proof that sometimes, it only takes a few minutes to make cinematic history.